[1] error Failed to build iOS project.

error Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65. To debug build logs further, consider building your app with Xcode.app, by opening tokkiFront.xcworkspace.

해결 방법

애플 디벨로퍼 포럼 에서 발췌함

1. sudo rm -rf /Library/Developer/CommandLineTools
2. xcode-select --install
3. sudo xcode-select -s /Library/Developer/CommandLineTools

2~3번 사이에 시간 오래 걸림.